Pith Number

pith:PCFY3MBQ

pith:2019:PCFY3MBQO52VAGHVS4D3KWCQRO

not attested not anchored not stored refs pending

Question Answering based Clinical Text Structuring Using Pre-trained Language Model

Jiahui Qiu, Jing Sun, Jinlin Liu, Tong Ruan, Yangming Zhou, Zhiyuan Ma

arxiv:1908.06606 v2 · 2019-08-19 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCFY3MBQO52VAGHVS4D3KWCQRO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:13:53.411944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788b8db03077755018f59707b558508b8d17cf94077b786147a849d5c8dac29b

Aliases

arxiv: 1908.06606 · arxiv_version: 1908.06606v2 · doi: 10.48550/arxiv.1908.06606 · pith_short_12: PCFY3MBQO52V · pith_short_16: PCFY3MBQO52VAGHV · pith_short_8: PCFY3MBQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PCFY3MBQO52VAGHVS4D3KWCQRO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 788b8db03077755018f59707b558508b8d17cf94077b786147a849d5c8dac29b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45632315047c4c73cbae5a1d13b45b16dd2f33dd733e7bc6d0382c11a37fbf86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-19T06:21:29Z",
    "title_canon_sha256": "627827dac72115f1a56811a52ddabc25adbd943992ab7bf61f9ee25fa714d653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06606",
    "kind": "arxiv",
    "version": 2
  }
}